mbroersen / jeloquent

import Relation from "../Relation";

import {ModelStaticInterface} from "../../../JeloquentInterfaces";

import ForeignKey from "../Field/ForeignKey";

/**

 *

 */

export default class HasOne extends Relation {

    constructor(model: ModelStaticInterface) {

        super(model);

    }

    get originalValue(): unknown {

        return this.getValueByParentKey('originalPrimaryKey');

    }

    get value(): unknown {

        return this.getValueByParentKey('primaryKey');

    }

    getRelationalFields():Array<ForeignKey> {

        return [];

    }

    setName(): HasOne {

        this.foreignKey = `${this.$parent.snakeCaseClassName}_id`;

        return this;

    }

    private getValueByParentKey(parentProperty) {

        const keyIndex = this.model.getIndexByKey(this.foreignKey);

        return globalThis.Store.database().find(this.model.className,

            [...keyIndex.get(`${this.$parent[parentProperty]}`)?.values() ?? []]

        ).first();

    }

}